CA2303459A1 - Transmitter-receiver for use in broadband wireless access communications systems - Google Patents

Transmitter-receiver for use in broadband wireless access communications systems Download PDF

Info

Publication number
CA2303459A1
CA2303459A1 CA002303459A CA2303459A CA2303459A1 CA 2303459 A1 CA2303459 A1 CA 2303459A1 CA 002303459 A CA002303459 A CA 002303459A CA 2303459 A CA2303459 A CA 2303459A CA 2303459 A1 CA2303459 A1 CA 2303459A1
Authority
CA
Canada
Prior art keywords
signal
frequency
transmitter
local oscillator
oscillation signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002303459A
Other languages
French (fr)
Other versions
CA2303459C (en
Inventor
Donald L. Tait
Eric L. Upton
Franklin J. Bayuk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Corp
Original Assignee
TRW Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TRW Inc filed Critical TRW Inc
Publication of CA2303459A1 publication Critical patent/CA2303459A1/en
Application granted granted Critical
Publication of CA2303459C publication Critical patent/CA2303459C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Abstract

A transmitter-receiver includes a transmitting circuit for providing an output by converting the frequency of a transmission signal input thereto, a receiving circuit for providing an output by converting the frequency of a received signal input thereto, and a local oscillator which generates an oscillation signal having a local oscillating frequency based on a reference signal. A local oscillator signal splitter is connected to the local oscillator and splits the oscillation signal into substantially similar transmit and receive oscillation signals each at the local oscillating frequency. The local oscillator signal splitter supplies the transmit oscillation signal to the transmitting circuit and supplies the receive oscillation signal to the receiving circuit. The transmitting circuit converts the frequency of the transmission signal in accordance with said transmit oscillation signal, and the receiving circuit converts the frequency of the received signal in accordance with the receive oscillation signal.
CA002303459A 1999-04-02 2000-03-30 Transmitter-receiver for use in broadband wireless access communications systems Expired - Fee Related CA2303459C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/285,308 US6115584A (en) 1999-04-02 1999-04-02 Transmitter-receiver for use in broadband wireless access communications systems
US09/285,308 1999-04-02

Publications (2)

Publication Number Publication Date
CA2303459A1 true CA2303459A1 (en) 2000-10-02
CA2303459C CA2303459C (en) 2006-01-17

Family

ID=23093676

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002303459A Expired - Fee Related CA2303459C (en) 1999-04-02 2000-03-30 Transmitter-receiver for use in broadband wireless access communications systems

Country Status (4)

Country Link
US (1) US6115584A (en)
EP (1) EP1041710A1 (en)
JP (1) JP2000307464A (en)
CA (1) CA2303459C (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6556630B1 (en) * 1999-12-29 2003-04-29 Ge Medical Systems Information Technologies Dual band telemetry system
US6480703B1 (en) * 2000-11-07 2002-11-12 Agile Tv Corporation Common carrier, multiple output RF upconverter
US7047196B2 (en) 2000-06-08 2006-05-16 Agiletv Corporation System and method of voice recognition near a wireline node of a network supporting cable television and/or video delivery
US8116358B2 (en) * 2001-01-26 2012-02-14 Viasat, Inc. Single oscillator transceiver
US6996165B2 (en) * 2001-01-26 2006-02-07 U.S. Monolithics, L.L.C. Single oscillator transceiver frequency plan
US8095370B2 (en) 2001-02-16 2012-01-10 Agiletv Corporation Dual compression voice recordation non-repudiation system
SE0101158D0 (en) * 2001-03-30 2001-03-30 Ericsson Telefon Ab L M Method and apparatus in a microwave system
SE0101159D0 (en) * 2001-03-30 2001-03-30 Ericsson Telefon Ab L M Apparatus in a microwave system
US6965756B2 (en) * 2001-10-05 2005-11-15 Adtran, Inc. RF loopback test apparatus for data radio transceiver
US7109922B2 (en) * 2002-04-19 2006-09-19 Roadeye Flr General Partnership Rf system concept for vehicular radar having several beams
US6950634B2 (en) * 2002-05-23 2005-09-27 Freescale Semiconductor, Inc. Transceiver circuit arrangement and method
US6996379B2 (en) * 2002-07-23 2006-02-07 Broadcom Corp. Linear high powered integrated circuit transmitter
US7076201B2 (en) * 2002-09-05 2006-07-11 Xytrans, Inc. Low cost VSAT MMIC transceiver with automatic power control
US7499684B2 (en) * 2003-09-19 2009-03-03 Ipr Licensing, Inc. Master-slave local oscillator porting between radio integrated circuits
US20060030275A1 (en) * 2004-08-05 2006-02-09 U.S. Monolithics, L.L.C. High power parallel block-up converter
US8385855B2 (en) * 2008-11-07 2013-02-26 Viasat, Inc. Dual conversion transmitter with single local oscillator
US20110250861A1 (en) * 2010-04-08 2011-10-13 Viasat, Inc. Highly integrated, high frequency, high power operation mmic
CN103095321B (en) * 2011-11-01 2017-05-10 瑞典爱立信有限公司 Method and relevant equipment for receiver correction in time division duplex (TDD) system
CN103957021A (en) * 2014-05-15 2014-07-30 电子科技大学 High-linearity low-noise short wave broadband receiver

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681697A (en) * 1969-12-31 1972-08-01 Westinghouse Electric Corp Wideband image terminated mixer
JP2800858B2 (en) * 1991-09-18 1998-09-21 日本電気株式会社 Wireless telephone equipment
US5410743A (en) * 1993-06-14 1995-04-25 Motorola, Inc. Active image separation mixer
AU7210894A (en) * 1993-06-25 1995-01-17 Xircom, Inc. Virtual carrier detection for wireless local area network with distributed control
FI103442B1 (en) * 1993-09-24 1999-06-30 Nokia Telecommunications Oy Digital radio link system and digital radio link device
JP3252653B2 (en) * 1995-06-05 2002-02-04 三菱電機株式会社 Transceiver
JPH09261106A (en) * 1996-03-22 1997-10-03 Matsushita Electric Ind Co Ltd Mobile radio equipment operated for plural frequency bands
US6002920A (en) * 1998-05-19 1999-12-14 Northrop Grumman Corporation Method and device for modifying a radio frequency range of a radio transceiver

Also Published As

Publication number Publication date
JP2000307464A (en) 2000-11-02
EP1041710A1 (en) 2000-10-04
US6115584A (en) 2000-09-05
CA2303459C (en) 2006-01-17

Similar Documents

Publication Publication Date Title
CA2303459A1 (en) Transmitter-receiver for use in broadband wireless access communications systems
CA2315489A1 (en) Radio communication apparatus and radio communication method
AU1627400A (en) Integrated transmitter and receiver components for a dual-band transceiver
DE60322541D1 (en) INTERMEDIATE AMPLIFIERS FOR WIRELESS LOCAL NETWORKS
WO2002056489A3 (en) Local oscillator leakage control in direct conversion processes
TW200703934A (en) Multiple band direct conversion radio frequency transceiver integrated circuit
EP1499029A3 (en) Multimode wireless communication system
MY123503A (en) Parallel operation of devices using multiple communication standards
WO2002067413A3 (en) Transmitter and receiver circuit for radio frequency
CA2379870A1 (en) Testing response of a radio transceiver
WO2002009270A3 (en) System and apparatus for a direct conversion receiver and transmitter
TW351884B (en) Mobile communication terminal having an initial frequency acquisition mechanism
WO2002087091A3 (en) Burst-mode digital transmitter
CA2122735A1 (en) Oscillator Frequency Divide-Down Transmit Offset Scheme for Reducing Self-Quieting
WO1999022548A3 (en) Passive radiator
EP0896425A3 (en) Receiving apparatus for digital broadcasting
EP1164708A3 (en) Long range two way low power communication device
WO2002035718A3 (en) Direct conversion radio transceiver
CA2321649A1 (en) Method and device for modifying a radio frequency range of a radio transceiver
AU2001266527A1 (en) Device for monitoring an area
EP0977368A3 (en) Radio transceiver and circuit
HUP0200136A2 (en) Transceiver unit for a first and second transmitting/receiving frequency
WO2002049224A3 (en) Zero if transceiver
EP1164726A3 (en) Circuit and method for reducing local oscillator frequency transmission in a radio transceiver
WO2002099482A3 (en) Oscillating reference signal generator

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed